/* reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* tokens */
:root {
  /* Lora + Schibsted Grotesk — warm magazine editorial */
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  /* Palette: warm cream + terracotta + golden yellow + sage green */
  --c-bg: #FFF8F1;
  --c-bg-alt: #FDF0E3;
  --c-text: #1A1008;
  --c-text-muted: #6B4F35;
  --c-text-faint: #A08060;
  --c-accent: #E85D26;
  --c-accent-2: #F2A93B;
  --c-accent-3: #6B8F4F;
  --c-border: #E8D5BE;
  --c-border-light: #F2E6D5;
  --c-white: #FFFFFF;
  --c-card-bg: #FFFAF4;

  /* Type scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-4xl: 3.75rem;

  /* Spacing scale */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Layout */
  --max-w: 1160px;
  --max-w-prose: 720px;
  --gutter: clamp(1rem, 4vw, 2rem);

  /* Logo */
  --logo-w: 160px;
  --logo-h: 36px;

  /* Header */
  --header-h: 64px;

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-pill: 9999px;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(26,16,8,0.08);
  --shadow-md: 0 4px 16px rgba(26,16,8,0.10);
  --shadow-lg: 0 12px 40px rgba(26,16,8,0.12);

  /* Transition */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;

  /* Z-index */
  --z-base: 0;
  --z-card: 10;
  --z-header: 100;
  --z-mobile: 110;
  --z-cookie: 200;
  --z-back-to-top: 150;
}

/* base */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}
p { max-width: 68ch; }
p + p { margin-top: var(--sp-4); }
strong { font-weight: 600; }
em { font-style: italic; }

/* layout */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--prose {
  max-width: var(--max-w-prose);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow {
  max-width: 860px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
main {
  padding-top: var(--header-h);
  min-height: 70vh;
}
.section {
  padding-block: var(--sp-16);
}
.section--alt {
  background: var(--c-bg-alt);
}
.section--bordered {
  border-top: 1px solid var(--c-border-light);
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* header */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,248,241,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border-light);
  z-index: var(--z-header);
  overflow: hidden;
}
.nav-inner {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: var(--sp-4);
}
.iruya-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.iruya-logo img {
  max-width: var(--logo-w);
  max-height: var(--logo-h);
  width: auto;
  height: auto;
  display: block;
}
.footer-brand .iruya-logo img {
  max-width: calc(var(--logo-w) * 0.9);
  max-height: calc(var(--logo-h) * 0.9);
  width: auto;
  height: auto;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex: 1;
  justify-content: flex-end;
}
.nav-links a {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  transition: color var(--dur-fast) var(--ease);
  padding-block: var(--sp-2);
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0; bottom: 0;
  background: var(--c-bg);
  z-index: var(--z-mobile);
  padding: var(--sp-8) var(--gutter);
  gap: var(--sp-2);
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), visibility 0s linear var(--dur-base);
}
.mobile-menu.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), visibility 0s linear 0s;
}
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--c-text);
  padding-block: var(--sp-3);
  border-bottom: 1px solid var(--c-border-light);
  transition: color var(--dur-fast);
}
.mobile-menu a:hover { color: var(--c-accent); }